Water hammer preventing device for water supply network

Abstract

The utility model relates to the technical field of water supply pipes, and discloses a water hammer preventing device for a water supply pipe network, a sliding groove II is internally connected with a sliding block II in a sliding manner, a fixed block is provided with a sliding groove III, a sliding block III is internally connected with the sliding groove III in a sliding manner, one side of the sliding block II is fixedly connected with a damper II, and the other side of the sliding block II is fixedly connected with a damper II. The second damper is sleeved with a second spring, a connecting rod is hinged to the second sliding block, a partition plate is fixedly connected to the middle of the interior of the fixing block, and the side, away from the second sliding block, of the connecting rod is hinged to the connecting plate. In the utility model, the first damper and the first spring are used for decompressing and buffering for the first time, and the second damper and the second spring are used for decompressing and buffering for the second time, so that the two sides of the connecting water pipe can be buffered and decompressed when larger pressure is generated in the connecting water pipe, and the water supply pipe is prevented from cracking due to the fact that the water supply pipe cannot bear larger pressure; the stability of the water supply pipe can be effectively improved, the water supply pipe is safer during water supply, and water hammer can be effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of water supply pipes, in particular to a water hammer protection device for a water supply pipe network. Background Art

[0002] A water supply pipe refers to a pipe that supplies water to cities or villages. It is used to transport treated tap water or other water sources to residential areas, enterprises, institutions and other locations. The materials of water supply pipes are generally steel, cast iron, cement, UPVC and other materials. Depending on the specific use environment and functional requirements, pipes of different specifications and materials can be used.

[0003] The existing technology has the following shortcomings: the traditional water supply pipe is prone to generate high pressure inside when the valve is closed quickly, and this pressure will impact the water supply pipe, making it easy to crack. The traditional water supply pipe is mostly closed manually when the plug is closed, but it is difficult to close the plug when the water flow impact is large. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a water hammer protection device for a water supply pipe network.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a water supply pipe network anti-water hammer device, comprising a connecting water pipe, a protective block is fixedly connected to the connecting water pipe, a slide groove is provided in the protective block, a sliding block is slidably connected in the slide groove, a damper is fixedly connected to one side of the sliding block arranged in the slide groove, a spring is sleeved on the damper, and a connecting plate is fixedly connected to one side of the sliding block, a fixed block is fixedly connected in the protective block, a slide groove is provided in the fixed block, a sliding block is slidably connected in the slide groove, a slide groove is provided on the fixed block, a sliding block is slidably connected in the slide groove, a damper is fixedly connected to one side of the sliding block, a spring is sleeved on the damper, a connecting rod is hingedly connected to the sliding block, a partition plate is fixedly connected to the middle part of the fixed block, and a side of the connecting rod away from the sliding block is hingedly connected to the connecting plate.

[0006] As a further description of the above technical solution:

[0007] The side of the damper 1 away from the sliding block 1 is fixedly connected to the sliding groove 1, and the side of the damper 2 away from the sliding block 2 is fixedly connected to the sliding groove 2.

[0008] As a further description of the above technical solution:

[0009] The slide groove 1, sliding block 1, damper 1, spring 1, connecting plate, fixing block, slide groove 2, sliding block 2, partition plate, slide groove 3, sliding block 3, damper 2, spring 2 and connecting rod are all arranged in the protective block.

[0010] As a further description of the above technical solution:

[0011] The first slide groove, the first sliding block, the first damper, and the first spring are each provided with two groups and are symmetrically arranged; the second slide groove, the second sliding block, the third slide groove, the third sliding block, the second damper, the second spring, and the connecting rod are each provided with two groups and are symmetrically arranged.

[0012] As a further description of the above technical solution:

[0013] One side of the connecting water pipe is fixedly connected with a water inlet pipe, and the other side of the connecting water pipe is fixedly connected with a drain pipe.

[0014] As a further description of the above technical solution:

[0015] A protection box is fixedly connected to the drainage pipe, a driving motor is fixedly connected to the protection box, a transmission shaft is fixedly connected to the output end of the driving motor, a No. 1 gear is fixedly connected to the middle of the transmission shaft, the No. 1 gear is meshedly connected to the No. 2 gear, and a rotating shaft is fixedly connected to the middle of the No. 2 gear.

[0016] As a further description of the above technical solution:

[0017] One side of the rotating shaft passes through the protection box and the drain pipe and is fixedly connected with a baffle, and the baffle is rotatably connected in the drain pipe.

[0018] As a further description of the above technical solution:

[0019] The transmission shaft, the first gear, the second gear and the rotating shaft are all arranged in the protective box.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the first decompression buffering is performed by damper 1 and spring 1, and the second decompression buffering is performed by damper 2 and spring 2, so that when a large pressure is generated inside the connected water pipe, buffering and decompression can be performed on both sides, thereby preventing the water supply pipe from being unable to withstand the large pressure and cracking, and effectively improving the stability of the water supply pipe, making the water supply pipe safer and effectively preventing water hammer when supplying water.

[0022] 2. In the utility model, a driving motor is provided to make the second gear rotate and drive the rotating shaft to rotate, and the rotating shaft drives the baffle to rotate and then blocks the water outlet of the drain pipe, so that the water supply pipe can be quickly cut off when the water needs to be cut off, avoiding excessive pressure when the water supply pipe is cut off and failing to quickly close the baffle, which can effectively improve the speed and efficiency of the water supply pipe when the water is cut off, making the water supply pipe more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the three-dimensional structure of a water supply pipe network water hammer protection device proposed by the utility model;

[0024] Figure 2 A schematic cross-sectional structure diagram of a water supply pipe network water hammer protection device proposed by the utility model;

[0025] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0026] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0027] Legend:

[0028] 1. Connecting water pipe; 2. Water inlet pipe; 3. Protective block; 4. Slide chute 1; 5. Sliding block 1; 6. Damper 1; 7. Spring 1; 8. Connecting plate; 9. Fixed block; 10. Slide chute 2; 11. Sliding block 2; 12. Partition plate; 13. Slide chute 3; 14. Sliding block 3; 15. Damper 2; 16. Spring 2; 17. Connecting rod; 18. Transmission shaft; 19. Gear No. 1; 20. Gear No. 2; 21. Rotating shaft; 22. Baffle plate; 23. Protective box; 24. Drain pipe; 25. Driving motor. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1-Figure 4, the utility model provides an embodiment: a water supply network anti-water hammer device, connecting a water pipe 1, a protective block 3 is fixedly connected to the connecting water pipe 1, a slide groove 4 is arranged in the protective block 3, a sliding block 5 is slidably connected in the slide groove 4, a damper 6 is fixedly connected to one side of the sliding block 5 arranged in the slide groove 4, a spring 7 is sleeved on the damper 6, a connecting plate 8 is fixedly connected to one side of the sliding block 5, a fixed block 9 is fixedly connected in the protective block 3, a slide groove 2 10 is arranged in the fixed block 9, a sliding block 2 11 is slidably connected in the slide groove 2 10, a slide groove 3 13 is arranged on the fixed block 9, a sliding block 3 14 is slidably connected in the slide groove 3 13, and a sliding block 3 14 is slidably connected in the sliding block 2 11 One side of the fixed block 9 is connected with a damper 15, a spring 16 is sleeved on the damper 15, a connecting rod 17 is hingedly connected to the sliding block 11, a partition plate 12 is fixedly connected to the middle of the fixed block 9, and the connecting rod 17 is hingedly connected to the connecting plate 8 on the side away from the sliding block 11. When the water in the connecting water pipe 1 is closed to generate a large pressure, the water and air pressure in the connecting water pipe 1 squeeze the connecting plate 8, and the connecting plate 8 moves downward with the sliding block 5 along the slide groove 4. The sliding block 5 moves downward and squeezes the damper 6 and the spring 7, so that the damper 6 and the spring 7 are used for the first decompression buffering, and the connecting plate 8 moves downward with the connecting rod 17 is turned along the connecting plate 8, the connecting plate 8 rotates and then moves the sliding block 11 along the sliding groove 10 to the outside, the sliding block 11 moves and moves the sliding block 3 14 along the sliding groove 13 to the outside, the sliding block 11 moves and then squeezes the damper 15 and the spring 16, so that the damper 15 and the spring 16 perform a second pressure reduction buffer, so that when a large pressure is generated inside the connecting water pipe 1, the buffering pressure reduction on both sides can be performed, thereby preventing the water supply pipe from being unable to withstand the large pressure and cracking, which can effectively improve the stability of the water supply pipe, make the water supply pipe safer and effectively prevent water hammer when supplying water, and the damper 16 is away from the sliding block 5. The side is fixedly connected in the slide groove 4, and the side of the damper 2 15 away from the sliding block 2 11 is fixedly connected in the slide groove 2 10. The slide groove 4, the sliding block 15, the damper 16, the spring 17, the connecting plate 8, the fixed block 9, the slide groove 2 10, the sliding block 2 11, the partition plate 12, the slide groove 3 13, the sliding block 3 14, the damper 2 15, the spring 2 16, and the connecting rod 17 are all arranged in the protective block 3. The slide groove 4, the sliding block 5, the damper 16, and the spring 7 are all provided with two groups and are symmetrically arranged. The slide groove 2 10, the sliding block 2 11, the slide groove 3 13, the sliding block 3 14, the damper 2 15, the spring 2 16, and the connecting rod 17 are all provided with two groups and are symmetrically arranged.

[0031] One side of the water pipe 1 is fixedly connected with the water inlet pipe 2, and the other side of the water pipe 1 is fixedly connected with the drain pipe 24. The drain pipe 24 is fixedly connected with a protection box 23, and the protection box 23 is fixedly connected with a drive motor 25. The output end of the drive motor 25 is fixedly connected with a transmission shaft 18, and the middle part of the transmission shaft 18 is fixedly connected with a No. 1 gear 19, and the No. 1 gear 19 is meshed and connected with a No. 2 gear 20. The middle part of the No. 2 gear 20 is fixedly connected with a rotating shaft 21. One side of the rotating shaft 21 passes through the protection box 23 and the drain pipe 24 and is fixedly connected with a baffle 22. The baffle 22 is rotatably connected in the drain pipe 24. The transmission shaft 18, the No. 1 gear 19, the No. 2 gear 20, and the rotating shaft 21 are all arranged on the protection box 23. The protective box 23 is provided inside so that the things inside can be protected. When it is necessary to quickly block the water flow in the drain pipe 24, a driving motor 25 is provided. The output end of the driving motor 25 rotates with the transmission shaft 18, and the transmission shaft 18 rotates with the No. 1 gear 19. The rotation of the No. 1 gear 19 rotates with the No. 2 gear 20. The rotation of the No. 2 gear 20 rotates with the rotating shaft 21. The rotation of the rotating shaft 21 rotates with the baffle 22 to block the water outlet of the drain pipe 24, so that the water supply pipe can be quickly cut off when it needs to be cut off, avoiding excessive pressure when the water supply pipe is cut off and failing to quickly close the baffle 22, which can effectively improve the speed and efficiency of the water supply pipe when the water supply pipe is cut off, making the water supply pipe more practical.

[0032] Working principle: when the water in the connecting water pipe 1 is closed and a large pressure is generated, the water and air pressure in the connecting water pipe 1 squeeze the connecting plate 8, and the connecting plate 8 moves downward with the sliding block 15 along the sliding groove 14, and the sliding block 15 moves downward and squeezes the damper 16 and the spring 17, so that the first pressure reduction buffering is performed through the damper 16 and the spring 17, and the connecting plate 8 moves downward and the connecting rod 17 rotates along the connecting plate 8, and the connecting plate 8 rotates and then moves the sliding block 2 11 along the sliding groove 2 10 to the outside, and the sliding block 2 11 moves and moves the sliding block 3 14 along the sliding groove 3 13 to the outside, and the sliding block 2 11 moves and squeezes the damper 2 15 and the spring 2 16, so that the second pressure reduction buffering is performed through the damper 2 15 and the spring 2 16, so that a large pressure is generated inside the connecting water pipe 1 When the water flow in the drain pipe 24 needs to be quickly blocked, a driving motor 25 is provided, and the output end of the driving motor 25 drives the transmission shaft 18 to rotate, the transmission shaft 18 drives the first gear 19 to rotate, the first gear 19 drives the second gear 20 to rotate, the second gear 20 drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the baffle 22 to rotate and thus blocks the water outlet of the drain pipe 24, so that the water supply pipe can be quickly cut off when the water needs to be cut off, and the baffle 22 cannot be quickly closed due to excessive pressure when the water supply pipe is cut off, which can effectively improve the speed and efficiency of the water supply pipe when the water is cut off, and make the water supply pipe more practical.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A water hammer protection device for a water supply network, comprising a connecting water pipe (1), characterized in that: The connecting water pipe (1) is fixedly connected with a protection block (3), a slide groove (4) is provided in the protection block (3), a sliding block (5) is slidably connected in the slide groove (4), a damper (6) is fixedly connected to one side of the sliding block (5) arranged in the slide groove (4), a spring (7) is sleeved on the damper (6), a connecting plate (8) is fixedly connected to one side of the sliding block (5), a fixed block (9) is fixedly connected to the protection block (3), a slide groove (10) is provided in the fixed block (9), and the slide groove (10) is fixedly connected to the other side of the sliding block (5). A sliding block (11) is slidably connected inside, a sliding groove (13) is provided on the fixed block (9), a sliding block (14) is slidably connected inside the sliding groove (13), a damper (15) is fixedly connected to one side of the sliding block (11), a spring (16) is sleeved on the damper (15), a connecting rod (17) is hingedly connected to the sliding block (11), a partition plate (12) is fixedly connected to the middle part of the fixed block (9), and the connecting rod (17) is hingedly connected to the connecting plate (8) at the side away from the sliding block (11).

2. A water hammer protection device for a water supply network according to claim 1, characterized in that: The side of the damper 1 (6) away from the sliding block 1 (5) is fixedly connected to the sliding groove 1 (4), and the side of the damper 2 (15) away from the sliding block 2 (11) is fixedly connected to the sliding groove 2 (10).

3. A water hammer protection device for a water supply network according to claim 1, characterized in that: The slide groove 1 (4), sliding block 1 (5), damper 1 (6), spring 1 (7), connecting plate (8), fixing block (9), slide groove 2 (10), sliding block 2 (11), partition plate (12), slide groove 3 (13), sliding block 3 (14), damper 2 (15), spring 2 (16) and connecting rod (17) are all arranged in the protection block (3).

4. A water hammer protection device for a water supply network according to claim 1, characterized in that: The slide groove 1 (4), the sliding block 1 (5), the damper 1 (6), and the spring 1 (7) are each provided in two groups and are symmetrically arranged; the slide groove 2 (10), the sliding block 2 (11), the slide groove 3 (13), the sliding block 3 (14), the damper 2 (15), the spring 2 (16), and the connecting rod (17) are each provided in two groups and are symmetrically arranged.

5. The water hammer protection device for a water supply network according to claim 1, characterized in that: One side of the connecting water pipe (1) is fixedly connected to a water inlet pipe (2), and the other side of the connecting water pipe (1) is fixedly connected to a drain pipe (24).

6. A water hammer protection device for a water supply network according to claim 5, characterized in that: The drainage pipe (24) is fixedly connected to a protection box (23), the protection box (23) is fixedly connected to a driving motor (25), the output end of the driving motor (25) is fixedly connected to a transmission shaft (18), the middle of the transmission shaft (18) is fixedly connected to a first gear (19), the first gear (19) is meshingly connected to a second gear (20), and the middle of the second gear (20) is fixedly connected to a rotating shaft (21).

7. A water hammer protection device for a water supply network according to claim 6, characterized in that: One side of the rotating shaft (21) passes through the protection box (23) and the drainage pipe (24) and is fixedly connected with a baffle plate (22), and the baffle plate (22) is rotatably connected in the drainage pipe (24).

8. A water hammer protection device for a water supply network according to claim 6, characterized in that: The transmission shaft (18), the first gear (19), the second gear (20), and the rotating shaft (21) are all arranged in a protective box (23).

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